. >> thanks, gwen. >>> on to our top story this morning. president obama launched his tower of southeast asia, arrived in bangkok sunday afternoon local time. the president is holding a news conference with the prime minister now. the two leaders are fielding questions from journalists. he is scheduled to sight see, a private meeting with the prime minister and official dinner. the president will visit cambodia also. the visit to my an mar is the first by a sitting president. >>> escalating conflict between israel and gaza strip. militants fired another rocket at tel aviv today but was intercepted. here's more. [sirens] >> reporter: the violence in the middle east continues to escalate. militants in gaza have unleashed hundreds of rockets against israel, including new weapons aimed at tel aviv. in response, the israeli military has deployed a rocket defense system. >> slight probability it will hit inside tel aviv. the iron dome brings down this possibility to a very small probability. >> reporter: a convoy of israeli troops and tanks can b